142 lines
4.2 KiB
C
142 lines
4.2 KiB
C
/*
|
|
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
|
|
|
|
This file is part of ChibiOS/RT.
|
|
|
|
ChibiOS/RT is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ChibiOS/RT is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "ch.h"
|
|
#include "hal.h"
|
|
#include "test.h"
|
|
|
|
/*
|
|
* Conversion table from hex digit to 7 segments encoding, bit 5 controls the
|
|
* dot.
|
|
* 8 = LU, 4 = RL, 2 = D, 1 = RU, 8 = U, 4 = M, 2 = LL, 1 = L.
|
|
*/
|
|
static uint8_t digits[32] = {
|
|
0x24, 0xAF, 0xE0, 0xA2, 0x2B, 0x32, 0x30, 0xA7,
|
|
0x20, 0x22, 0x21, 0x38, 0x74, 0xA8, 0x70, 0x71,
|
|
0x04, 0x8F, 0xC0, 0x82, 0x0B, 0x12, 0x10, 0x87,
|
|
0x00, 0x02, 0x01, 0x18, 0x54, 0x88, 0x50, 0x51
|
|
};
|
|
|
|
/*
|
|
* SPI configuration (1MHz, CPHA=0, CPOL=0).
|
|
*/
|
|
static SPIConfig spicfg = {
|
|
NULL,
|
|
GPIO1,
|
|
GPIO1_SPI0SEL,
|
|
CR0_DSS8BIT | CR0_FRFSPI | CR0_CLOCKRATE(0),
|
|
72
|
|
};
|
|
|
|
/*
|
|
* Red LED blinker thread, times are in milliseconds.
|
|
*/
|
|
static WORKING_AREA(waThread1, 128);
|
|
static msg_t Thread1(void *arg) {
|
|
|
|
(void)arg;
|
|
while (TRUE) {
|
|
palClearPad(GPIO0, GPIO0_LED2);
|
|
chThdSleepMilliseconds(500);
|
|
palSetPad(GPIO0, GPIO0_LED2);
|
|
chThdSleepMilliseconds(500);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* RGB LED blinker thread, times are in milliseconds.
|
|
*/
|
|
static WORKING_AREA(waThread2, 128);
|
|
static msg_t Thread2(void *arg) {
|
|
|
|
(void)arg;
|
|
while (TRUE) {
|
|
palClearPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3B) |
|
|
PAL_PORT_BIT(GPIO1_LED3R) |
|
|
PAL_PORT_BIT(GPIO1_LED3G));
|
|
chThdSleepMilliseconds(250);
|
|
palClearPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3B) |
|
|
PAL_PORT_BIT(GPIO1_LED3R) |
|
|
PAL_PORT_BIT(GPIO1_LED3G));
|
|
palSetPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3B));
|
|
chThdSleepMilliseconds(250);
|
|
palClearPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3B) |
|
|
PAL_PORT_BIT(GPIO1_LED3R) |
|
|
PAL_PORT_BIT(GPIO1_LED3G));
|
|
palSetPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3R));
|
|
chThdSleepMilliseconds(250);
|
|
palClearPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3B) |
|
|
PAL_PORT_BIT(GPIO1_LED3R) |
|
|
PAL_PORT_BIT(GPIO1_LED3G));
|
|
palSetPort(GPIO1, PAL_PORT_BIT(GPIO1_LED3G));
|
|
chThdSleepMilliseconds(250);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Application entry point.
|
|
*/
|
|
int main(void) {
|
|
uint8_t i;
|
|
|
|
/*
|
|
* System initializations.
|
|
* - HAL initialization, this also initializes the configured device drivers
|
|
* and performs the board-specific initializations.
|
|
* - Kernel initialization, the main() function becomes a thread and the
|
|
* RTOS is active.
|
|
*/
|
|
halInit();
|
|
chSysInit();
|
|
|
|
/*
|
|
* Activates the SD1 and SPI1 drivers.
|
|
*/
|
|
sdStart(&SD1, NULL); /* Default: 38400,8,N,1. */
|
|
spiStart(&SPID1, &spicfg);
|
|
|
|
/*
|
|
* Creates the blinker threads.
|
|
*/
|
|
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
|
|
chThdCreateStatic(waThread2, sizeof(waThread2), NORMALPRIO, Thread2, NULL);
|
|
|
|
/*
|
|
* Normal main() thread activity, in this demo it updates the 7-segments
|
|
* display on the LPCXpresso main board using the SPI driver.
|
|
*/
|
|
i = 0;
|
|
while (TRUE) {
|
|
if (!palReadPad(GPIO0, GPIO0_SW3))
|
|
TestThread(&SD1);
|
|
spiSelect(&SPID1);
|
|
spiSend(&SPID1, 1, &digits[i]); /* Non polled method. */
|
|
spiUnselect(&SPID1);
|
|
chThdSleepMilliseconds(500);
|
|
spiSelect(&SPID1);
|
|
spiPolledExchange(&SPID1, digits[i | 0x10]); /* Polled method. */
|
|
spiUnselect(&SPID1);
|
|
chThdSleepMilliseconds(500);
|
|
i = (i + 1) & 15;
|
|
}
|
|
return 0;
|
|
}
|